Spinning and twisting mach in e spin ole



(No Model.)

v H. P. WOODMANCY. SPINNING AND TWISTING MACHINE SPINDLE.

Patented Aug. 16, 1892.

INVENZE:

WIM/55555.! l /m/ my y @JA Unir-rep STATES PATENT Genion.

HENRY F. WOODMANCY, OF VVHITINSVILLE, MASSACHUSETTS.

SPINNING-AND TWISTING MACHINE SPINDLE.

SPECIFICATION forming part of Letters Patent N o. 480,984, dated August16, 1892.

Application led November 4, 1891. Serial No. 410,818. (No model.)

T0 all whom, t may concern:

Be it known that I, HENRY F. W ooDMANoY, of Whitinsville, in the countyof Vorcester and State of Massachusetts, have invented a new and usefulImprovement in Spinning and Twisting Machine Spindles; and I hereby de-Clare that the following is a full, clear, and exact description of thesame, reference being had to the accompanying drawings, forming part ofthis specification.

Spindlesforspinningand twisting machines require to be run at high speedand so perfectly true that at all points of the reciprocation of thering-rail the spindle'will revolve in the ring, so that ltlie yarn willbe exactly concentric with the ring and the draft on the traveler at allpoints of the ring uniform.

The object of this invention is to secure such a spindle; and to thisend the invention consists in the peculiar and novel construction of abolster-case having a cylindrical tubular extension above thesupporting-flange and oilcup, a rigid combined bolster and step-tuberigidly secured at its lower end in the bolster-case and firmly heldagainst lateral motion at or near its upper end, and a spindle having along bearing of uniform diameter in the bolster, provided with asleevewhirl surrounding the upwardly-extending tube of the bolster-caseand the spindle-bearing, more fully set forth hereinafter.

Figure 1 is a Vertical sectional view through the center of the spindleand its support. Fig. 2 is a vertical sectional View of thebolster-case, in which a combined bolster and step-tube are rigidlysecured at the bottom in the bolster-case and firmly supported at theupper end. Fig. 3 is a vertical sectional view of the bolster and acombined step-tube and bolster firmly secured at its lower end inthebolster-case and firmly held against lateral motion near its middle inthe bolster-case. Fig. 4 is a vertical section of a bolster-case and acombined bolster and step-tube rigidly secured at its bottom and firmlyheld for a considerable distance at its upper part in the bolster-case.

To enable others to clearly understand my invention, I will say that myaim has been to construct a spindle-support, as near as it ispracticable, of one piece and to give Y ing the bolster and step-tube.

the spindle a rigid bearing of considerable length. After a series ofpractical tests I constructed a number of such supports by firmlysecuring a rigid bolster and step-tube, bya tapering driven fit at thebottom, in the bolster-case and supporting the upper part of thecombined bolster and step-tube at some place on its upper part in thebolster-case,

`so as to producea rigid support for the spindle. I havergiven thespindle a long cylindrioal bearing in this support and surround ed thisbearingand the upper end of the bolstercase with the whirl.

Similar numbers of reference designate corresponding parts throughout.

In the drawings the spindle 5 is provided with the sleeve-Whirl 6 andhas the long cylindricallbearing 7 of uniform diameter and extendingabove and below the center ofthe whirl, the foot of the spindle restingon the step 8. The spindle is su pported in the combined bolster andstep-tube 9, the lower end 10 of which is slightly tapering and fitsinto the slightly-tapering socket 11 in the lower end of thebolster-case 12, into which it is forced or driven and so firmly securedthat the bolster and step-tube and the bolster-case are practically asif made of one piece. The upper part of the combined bolster andsteptube is made to fit the upper part of the bolster-case, so as toform a close sliding fit.

The bolster-case 12 has the downwardlyprojecting portion provided withthe enlargement 13,which forms an oil-chamber surround- Thisoil-chainber is connected with the linterior of the combined bolster andstep-tube by holes or openings in the Wall of the bolster and step-tube,so that the oil iows freely into the same and is thus applied to thespindle-bearings.

The enlargement 13 or oil-reservoir is connected .by means of the duct14 with the oilcup 15, and the portionof lthe upper part of the combinedbolster and step-tube in contact with the interior of the bolster-caseis provided with the channels or grooves 16, by which the oil raised upby the rotation of the spindle is permitted to run down again intooil-reservoir. The bolster-oase is provided with the tube 17, extendingupward above the oil-cup 15 and above the upper end of the IOO combinedbolster and step-tube 9. The sleeve- Whirl extends over theupwardly-extending tube 17 and surrounds the same, as well as the longcylindrical bearing of the spindle. By this construction a firm andrigid support for the spindle is secured. The bolster-case and thespindle and step-tube combine to secure this rigidity and alsofacilitate the construction of the oil-reservoir to secure thorough lolubrication.

'lhe point of contact ot' the upper end of the bolster and steptube withthe bolstercase may be varied. In Fig. 1 the combined bolster andstep-tube fits the bolster-case below the oil-cup. In Fig. 2 theclose-fitting supporting-surface is near the upper end of the bolsterand step-tube. In Fig. 3 it is shown to extend above and below theoil-cup, while in Fig. 4 the Whole of the upper length zo of thecombined bolster and step-tube is in close contact with and forms aclose sliding fit in the upper end of the bolster-case. With this rigidsupport and the long cylindrical bearing of the spindle in the same thespindle runs mathematically perfect Without the slightest wahbling oruneasy motion. It runs perfectly with a tight band and as perfectly witha slack band. The ordinary difference in the bobbins or in the yarn-load3o does not altect the running of the spindle, and this spindleessentially differs from all the `spindles constructed with the avowedidea to prevent the wabbling and gyration of the spindle and its load bygiving to the same the capaeity to wabble, for in this spindle, nomatter what the load may be, it is so firmly supported that it cannotyield to the force of any unbalanced load, but must run on its axialcenter.

Having thus described my invention, I claim as new and desire to secureby Letters Patentl. A spindle-support consisting of the rigidbolster-case 12, having the long conical socket 11, theupwardly-extending tube 17, and the enlargement 13, forming theoil-reservoir, and the combined bolster and step-tube 9, having theconical pin 10 at its lower end, held in the socket 11 with a rigid lit,the upper end of the bolster fitting the bolster-case with a closesliding t, the bolster-case extending above the bolster-tube andprovided with a groove or channel forming a passage for the return ofthe oil, the whole adapted to form a rigid support for the spindle, asdescribed.

2. The combination, with the spindle-sup port consisting of the rigidbolster-case 12, provided with the long conical socket l1, the tube 17extending upward above the bolstert-ube and having the oil-chamber 13,and the combined bolster and step-tube 9, rigidly secured in the conicalsocket by the pin 10 and closely fitting the upper part of the bolster,of the spindle 5, provided with the sleevewhirl 6, extending down overand surrounding the upward extension of the bolster-case, the wholeadapted to support the spindle and hold the same against lateral oroscillating motion, as described.

HENRY F. WOODMANCY.

Witnesses:

JOSEPH A. MILLER, Jr., M. F. BLIGH.

